- Mar 2 Matt Kilroy, American baseball pitcher (MLB single-season record 513 strikeouts 1886; MLB no-hitter 1886; Baltimore Orioles), dies at 73
- Mar 15 Alfred Marr, Australian cricketer (Test for Australia 1885, scored 0 & 5), dies at 77
- Mar 26 Spyridon Louis, Greek athlete who won the 1st modern Olympics marathon in 1896, dies at 67
- Mar 29 Alexander Obolensky, Russian prince and English rugby union winger (4 caps; Leicester Tigers RUFC, Oxford Uni RFC), dies in an aircraft training accident for RAF at 24
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